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Name : Put a check in the box each time you answer the question correctly Science Review checklist Part One Cover the right column with a piece of paper or your hand. Answer the question and check your answer. Each time you answer correctly, put a check in the little box. By test time, you'll want a check in each of the boxes. 1. If you are given a picture and asked to make an OBSERVATION, you must choose the answer that includes only: Cover these answers! things that you can actually see with your own eyes 2. Which is NOT an observation I could make while looking up at "Soon it's going to rain" is the sky? "The sky is blue." "A big, dark cloud is moving in" "Soon not an observation. It is a it's going to rain." prediction. 3. The mass of an object is: the amount of matter in an object - - how heavy it is. 4. Given a 2-liter bottle of Coke, 2 liters is a measure of: the volume of Coke - or how much space it takes up. 5. The capacity of a container is how much it can hold. The capacity our large Coke bottle, even if it is empty, is: 2 liters 6. The capacity of an eyedropper would be a few: milliliters 7. A milliliter of liquid is: a few drops 8. The volume of liquid in a graduated cylinder might be 50: ml or 50 milliliters 9. The volume of liquid in a beaker might be 300: ml or 300 milliliters 10. One thousand milliliters equals: 1 liter 10a. A liter is close in volume to a: quart 11.An instrument used to measure mass is a: balance 12. The mass of a paperclip or a sheet of paper is about: 1 gram or 1g 13. The mass of a book could be about: 1 kilogram or 1kg 14. 1000 grams equal: 1 kilogram 15. Length and distance are measured in these metric units: millimeters (mm) 10mm=1cm centimeters (cm) 100cm=1m meters (m) 1000m=1km kilometers (km) 15a. Volume of a liquid or capacity of a container is measured in these metric units: milliliters (mL) liters (L) 1000mL=1L 15b. Mass is measured in these metric units: grams (g) 1000g=1kg kilograms (kg) 16. A centimeter is about as long as your: fingernail 17. The length of each of these dashes - - - is about: 1 or 2 millimeters (mm) 18. If your fingernail is one centimeter long, how long is it in millimeters? 10 (10mm = 1cm) 19. The distance from your waist to the floor could be about: 1 meter or 1m 20. One-hundred centimeters equals: 1 meter 21. The distance from Terraset to the nearest 7-Eleven is about: 1 kilometer or 1km 22. One thousand meters equals: 1 kilometer or 1km 23. In an experiment to measure the how different types of soil affect tulip growth, you fill five identical pots with different types of soil soil and place a tulip bulb in each. The variable in the experiment is the: 24. The pots, tulip bulbs, water and amount of sunlight are should constants be the same for all of the pots. These are the: 25. For accuracy, you perform the experiment many times. In the The 4th trial (15cm) first three trials, the tulip in sandy soil grows only 10cm tall before because it is different from dying. The 4th trial, the tulip grows 15cm tall and flowers. Which the others. result is unusual? 26. Objects in motion have ______ energy. kinetic 27. Potential energy is ________ energy. stored 28. Due to the pull of gravity, the higher an object is off the ground, the more ____________ it has. potential energy 29. When I hold a ball in the air, it has potential energy. When I let go, the ball starts to fall. Potential energy changes to: kinetic energy 30. There are many forms of energy. Energy caused by the movement of electrons is: electrical energy 31. Energy stored in food, batteries and fossil fuels like coal and gasoline is: chemical energy 32. Energy in moving or spinning objects like gears, car wheels, or joggers, is _______ energy: mechanical 33. Machines make work easier and help us work more: efficiently 34. The six simple machines are: inclined plane, pulley, lever, screw, wedge, and wheel & axle. 35. A combination of two more simple machines is a: compound machine 36. Machines made of many compound machines are: complex machines 37. An object that is sharp, like a knife, ax, or nail, is a: wedge 38. Doorknobs, screwdrivers, and wheels of all sorts are: wheel and axles 39. A seesaw, crowbar, shovel, and nutcracker are: levers 40. A ramp, staircase, and ladder are inclined planes 41. A jar lid and corkscrew are: screws 42. What simple machine is used to hoist a flag or raise window blinds? pulley 43. A wheelbarrow, scissors, and a bicycle are: compound machines 44. Simple machines with fulcrums (pivot points) are usually: levers 45. These simple machines have ropes or chains. pulleys 46. A wheelbarrow is a compound machine with a ____ and _____. lever (the handles); and wheel and axle 47. A pair of scissors has: a lever and wedges 48. Two objects rubbing together create: friction 49. Friction resists or stops motion, and creates: heat 50. Unless acted on by a force, objects in motion tend to stay in motion and objects at rest remain at rest. This is the principal of: inertia 51. It's harder to push a real truck than a toy truck because objects with more mass have: more inertia 52. Which will light a bulb, an open or closed circuit? A closed circuit 53. If your string of holiday lights goes dark when one little bulb burns out, the string of lights is a: series circuit 54. This circuit has more than one pathway for the flow of electrical current. If one bulb burns the others will remain lit. It is a: Parallel circuit 55. Electrical energy moves easily through materials that are: conductors. 56. Wires are usual made from ____ because it conducts electricity well. metal (often copper) 57. Material like rubber, plastic and wood do not conduct electricity well. They are: insulators 58. This is a dry-cell battery. Common dry-cells usually have low: voltage (1.5v or 9v) 59. Magnets attract these metals: iron (steel) cobalt, nickel 60.The iron filings in this picture show ________created by a magnetic field. lines of force 61. Magnetism and _______ are very closely related. electricity 62. An electric current creates a magnetic field, and a magnetic field creates an _________ . electric current 62a. If you wrap wire around a nail and run electricity through the wire, you have created an: Electromagnets are useful because they can be turned on an off. electromagnet 63. If you rub your feet on the carpet, or rub a balloon on a wool sweater, you may create: 64. Static electricity occurs when negatively charged _____ are rubbed off of one surface and on to another. 65. Benjamin Franklin learned that lightning was a form of electricity. What kind of electricity? static electricity electrons static electricity 66. Who invented the light bulb? Thomas Edison 67. Which plant part takes in water and nutrients? the root 67. Which part supports the plant and allows the movement of water and nutrients? the stem 69. Which plant part makes food for the plant? the leaves 70. The seed forms in the female reproductive part of the flower called the: pistil 71. Pollen forms on the ends of the male reproductive parts of the stamen flower called the: 72. The small leaves that form around the developing flower are the: sepals 73. Pollen is transferred from the stamen to the pistil in a process pollination called: 74. Most plants reproduce with seeds, but ferns and mosses reproduce with: spores 75. Green plants produce their own food in a process called: photosynthesis 76. To produce food, green plants use: water, nutrients, sunlight, carbon dioxide (from the air) and chlorophyll. 77. Plants are green because of: chlorophyll 78. Many plants enter a period of ______ in the winter, which is similar to hibernation for animals. During this period most of their normal activities stop. dormancy 79. An organism's _____ provides food, water, shelter and space. habitat 80. All of the organisms in a forest make up a _______, and all of forest community; the organisms in a pond make up a pond _______. pond community 81. All energy comes from _____ , and then cycles through the food webs to all of the animals in the community. the sun 82. _______ get energy directly from the sun and use it to make food. Plants 83. Because plants produce their own food, they are called ___________ . producers eating plants, or eating 84. Other organism do not get their energy from the sun. They get animals that have eaten their energy by: plants. 85. Organisms that get their energy from eating plants or other animals are called: consumers 86. The sun's energy cycles through the ecosystem in this order: sun->producers>consumers>decomposers 87. All of the interrelated food chains in an ecosystem make up a: food web 88. Food chains and food webs always start with a: plant 89. The food chain starts with a producer (a plant) and ends with a: decomposer 90. Decomposers like ______ break down organisms and recycle fungi them back to the nutrient pool. 91. All of the living and nonliving things in an environment make up: an ecosystem 92. Everything in an ecosystem depends on everything else. Humans often destroy ecosystems by: polluting ponds, chopping down forests, etc. 93. The specific place an organism has in the food web is the organism's: niche 94. The niche of every organism is different, and an organism's niche changes as it grows. A niche is the organism's role in the community, and includes: what it does, what it eats, and what eats it. 95. All organisms have _________ that allow it to survive in its adaptations environment. 96. Structural adaptations are __________ that help an organism body parts survive, like long beaks, webbed feet, camouflage. 97. Behavioral adaptations are things that organisms do to survive. Examples of behavioral adaptations are: migration, hibernation, instincts, etc 98. The measure of the amount of heat energy in the atmosphere temperature is: 99. The amount of moisture in the air is: humidity 100. The weight of the air causes: air pressure 101. Air circulates around the Earth in big chunks called: air masses 102. The boundary between two air masses is called a: front 103. A warm front occurs when a warm air mass pushes out a cold mass. A warm front usually brings: steady rain or drizzle followed by warmer temperatures. a short period of heavy rain 104. A cold front occurs when a cold air mass pushes out a warm or thunder, followed by clear air mass. A cold front usually brings: colder weather. 105. A falling barometer often means: rainy weather ahead. 106. What kind of cloud brings stormy weather, thunderstorms, and sometimes even tornadoes? Cumulonimbus 107. Puffy white clouds that look like cotton balls are: cumulus clouds 108. High, thin, wispy clouds are: cirrus clouds 109. Which cloud forms a gray blanket over the sky, often bringing steady rain or drizzle? stratus cloud 110. This instrument measures air pressure is a: barometer 111. This instrument measures wind speed: anemometer 112. This instrument measures moisture in the air: hygrometer 113. This instrument measures precipitation: rain gauge 114. These severe storms usually form over water in the Caribbean: hurricanes 115. Earth is one of ____ planets that revolve around the sun. nine 116. Earth is the ______ planet from the sun. third 117. Venus, Mercury, Earth and Mars are the : rocky inner planets 118. How far is the Earth from the sun? 150 million km 119. What does the Earth have that allows it to support life? water and an oxygen rich atmosphere 120. How does the Earth's atmosphere protect the Earth? It blocks out most of the sun's damaging rays. 121. Ancient Greeks like Aristotle and Ptolemy believed _________ was the center of our solar system, and the planets and the sun revolved around us. the Earth 122. Copernicus and Galileo tried to convince the world that ________ was actually the center of the solar system, and all of the planets revolve around it, and not around the Earth. the sun 123. The NASA Apollo missions sent astronauts to the ______ . the moon 124. About half of Virginia is considered to be in the Chesapeake Bay ________ because the surface water and all of the materials watershed it carries drain into the Chesapeake Bay. 125. Land drained by rivers west of Roanoke is part of the Mississippi _________. watershed 126. Much of Virginia is covered in ______, an important natural resource for Virginia. forests 127. An important energy resource mined in the southwestern part of Virginia is ________ . coal